altruistic
adj. C1 Advanced US //ˌɔɫtɹuˈɪstɪk// UK //ˌɔːltɹuːˈɪstɪk// al·tru·is·tic
adj. describing someone who does things for others without expecting anything in return. You use this to describe people who help others because they care, not because they want to get a reward.
adj. describing an action or quality that benefits others without any expectation of personal gain or reward. Often used to describe selfless behavior in social or biological contexts.
She is very altruistic and always helps her neighbors.
The altruistic nature of the volunteers allowed the charity to continue its work without relying on government funding.
Evolutionary biologists often study altruistic behaviors to understand how cooperation can persist in a world where individuals must compete for limited resources.
From altruist + -ic. See altruism.